Home / 22,984.18-31,730.26-15,470.02

Finding the Fourth Proportional to 22,984.18, 31,730.26 and 15,470.02

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Solution

The fourth proportional to 22,984.18, 31,730.26 and 15,470.02 is: 21,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984.18 : 31,730.26 = 15,470.02 : x
  2. Step 2: Convert to fraction form
    22,984.18/31,730.26 = 15,470.02/x
  3. Step 3: Cross multiply
    22,984.18x = 31,730.26 × 15,470.02
  4. Step 4: Simplify right side
    22,984.18x = 490,867,756.81
  5. Step 5: Solve for x
    x = 490,867,756.81/22,984.18
  6. Step 6: Final answer
    x = 21,356.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.